/usr/include/svxlink/AsyncAudioReader.h is in libasyncaudio-dev 17.12.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | /**
@file AsyncAudioReader.h
@brief An audio pipe component for on-demand reading samples
@author Tobias Blomberg / SM0SVX
@date 2008-02-22
\verbatim
Async - A library for programming event driven applications
Copyright (C) 2003-2008 Tobias Blomberg / SM0SVX
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
\endverbatim
*/
#ifndef ASYNC_AUDIO_READER_INCLUDED
#define ASYNC_AUDIO_READER_INCLUDED
/****************************************************************************
*
* System Includes
*
****************************************************************************/
/****************************************************************************
*
* Project Includes
*
****************************************************************************/
#include <AsyncAudioSink.h>
/****************************************************************************
*
* Local Includes
*
****************************************************************************/
/****************************************************************************
*
* Forward declarations
*
****************************************************************************/
/****************************************************************************
*
* Namespace
*
****************************************************************************/
namespace Async
{
/****************************************************************************
*
* Forward declarations of classes inside of the declared namespace
*
****************************************************************************/
/****************************************************************************
*
* Defines & typedefs
*
****************************************************************************/
/****************************************************************************
*
* Exported Global Variables
*
****************************************************************************/
/****************************************************************************
*
* Class definitions
*
****************************************************************************/
/**
@brief An audio pipe component for on demand reading samples
@author Tobias Blomberg / SM0SVX
@date 2008-02-22
This audio pipe component is used when reading samples on demand is preferred
rather than getting them pushed at you.
*/
class AudioReader : public AudioSink
{
public:
/**
* @brief Default constuctor
*/
AudioReader(void);
/**
* @brief Destructor
*/
~AudioReader(void);
/**
* @brief Read at most the specified number of samples
* @param samples A buffer to put the read samples into
* @param count The maximum number of samples to read. This value must
* not be larger than the size of the "samples" buffer
* given in the first argument.
* @return Returns the number of samples actually read
*/
int readSamples(float *samples, int count);
/**
* @brief Write samples into this audio sink
* @param samples The buffer containing the samples
* @param count The number of samples in the buffer
* @return Returns the number of samples that has been taken care of
*
* This function is used to write audio into this audio sink. If it
* returns 0, no more samples should be written until the resumeOutput
* function in the source have been called.
* This function is normally only called from a connected source object.
*/
virtual int writeSamples(const float *samples, int count);
/**
* @brief Tell the sink to flush the previously written samples
*
* This function is used to tell the sink to flush previously written
* samples. When done flushing, the sourceAllSamplesFlushed function
* will be called.
* This function is normally only called from a connected source object.
*/
virtual void flushSamples(void);
protected:
private:
AudioReader(const AudioReader&);
AudioReader& operator=(const AudioReader&);
float *buf;
int buf_size;
bool input_stopped;
int samples_in_buf;
}; /* class AudioReader */
} /* namespace */
#endif /* ASYNC_AUDIO_READER_INCLUDED */
/*
* This file has not been truncated
*/
|